Phase transformation behavior of niobium containing microalloyed steel with predeformation and continuous cooling

Yuan She*, Zhao Hui Zhang, Jian Tao Ju, B. Jin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The continuous cooling phase transformation behavior of niobium microalloyed steel was studied by Thermecmastor-Z thermomechanical simulator; the continuous cooling transformation curves (CCT) were established. The change of microstructure under different cooling rates was observed, and the influence of deformation in austenite non-recrystallization region on transformation was discussed. Based on these work, it was possible to know that the phase transformation is retarded and the ferritic grain is refined dramatically as the cooling rate increasing. The deformation in austenite non-recrystallization region caused deformation stored-energy, which improved the grain refinement of transformation to some extent, but not significant.

Original languageEnglish
Title of host publicationEco-Materials Processing and Design XV
EditorsBanh Tien Long, Hyung Sun Kim, Jian Feng Yang, Tohru Sekino, Soo Wohn Lee
PublisherTrans Tech Publications Ltd.
Pages281-284
Number of pages4
ISBN (Electronic)9783038352389
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event15th International Symposium on Eco-Materials Processing and Design, ISEPD 2014 - Hanoi, Viet Nam
Duration: 12 Jan 201415 Jan 2014

Publication series

NameMaterials Science Forum
Volume804
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference15th International Symposium on Eco-Materials Processing and Design, ISEPD 2014
Country/TerritoryViet Nam
CityHanoi
Period12/01/1415/01/14

Keywords

  • Continuous cooling
  • Niobium microalloyed steel
  • Phase transformation
  • Predeformation

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